How many grams of calcium daily does a hen laying one large egg need, according to operational guidelines?
Answer
Roughly 3.5 to 4 grams of calcium daily.
For optimal shell production, a laying hen has a specific daily requirement for calcium that must be met consistently. When a hen is actively laying one large egg per day, the necessary amount of elemental calcium she requires to form a proper, strong shell is calculated to be in the range of 3.5 to 4 grams every twenty-four hours. This calculation is important because commercial layer feeds usually contain about 3.5% calcium, meaning that if the hen consumes a quarter pound of this feed daily, she is nearly meeting this requirement, provided she is not over-consuming non-calcium supplements like scratch grains.
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